23315425 has 24 divisors (see below), whose sum is σ = 33728000. Its totient is φ = 15981840.

The previous prime is 23315387. The next prime is 23315459. The reversal of 23315425 is 52451332.

It is not a de Polignac number, because 23315425 - 2¹¹ = 23313377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 23315425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7216 + ... + 9934.

Almost surely, 2^23315425 is an apocalyptic number.

23315425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23315425 is a deficient number, since it is larger than the sum of its proper divisors (10412575).

23315425 is an equidigital number, since it uses as much as digits as its factorization.

23315425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2731 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 23315425 is about 4828.6048709746. The cubic root of 23315425 is about 285.6808386442.

Adding to 23315425 its reverse (52451332), we get a palindrome (75766757).

The spelling of 23315425 in words is "twenty-three million, three hundred fifteen thousand, four hundred twenty-five".